import re

from users.models import User


def jwt_response_payload_handler(token, user=None, request=None):
    """
    自定义jwt认证成功返回数据
    """
    return {
        'token': token,
        'user_id': user.id,
        'username': user.username
    }

from django.contrib.auth.backends import ModelBackend
from rest_framework.mixins import CreateModelMixin

def get_user_by_account(username):
    try:
        if re.match(r'1[3-9]\d{9}', username):
            # 手机号
            user = User.objects.get(mobile=username)

        else:
            # 用户名
            user = User.objects.get(username=username)
    except User.DoesNotExist:
        user = None

    return user

class UsernameMobileBackend(ModelBackend):
    def authenticate(self, request, username=None, password=None, **kwargs):

        user = get_user_by_account(username)

        if user is not None and user.check_password(password):
            return user
        return None